Rain barrel



FIG. 1 is a top left perspective view of the rain barrel of the instantinvention;

FIG. 2 is a top right view perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a top view thereof.

The portions of the figures illustrated in broken lines are forillustrative purposes only and form no part of the claimed design.

The ornamental design for a rain barrel, as shown and described.